Results 161 to 170 of about 13,144,199 (261)

Investigating the Dynamics of Sex‐Structured Stock Assessment Models Under Sexual Size Dimorphism

open access: yesFisheries Management and Ecology, EarlyView.
ABSTRACT The integration of separate sexes in stock assessment models represents an advancement towards more realistic modeling of interactions between fisheries and target species. However, increased model complexity can also introduce additional uncertainty into the modeling process.
Francisco Izquierdo   +7 more
wiley   +1 more source

Directional analysis of upper eyelid wrinkles and a quantitative index for periorbital ageing

open access: yesInternational Journal of Cosmetic Science, EarlyView.
Eyelid wrinkles not only increase in number and depth but also shift in orientation with ageing. After 40, the dominance of a particular orientation in the upper eyelid image is associated with broader periorbital wrinkle severity, providing a novel quantitative index for fine‐grained ageing assessment. Abstract Objective Periorbital ageing, manifested
Ken Suematsu   +2 more
wiley   +1 more source

A Quantile Model of Firm Investment

open access: yesInternational Economic Review, EarlyView.
ABSTRACT Are firms risk averse? We propose a dynamic model of firm investment under uncertainty that captures firms' risk attitudes through quantile preferences. The firm maximizes its present value, defined as current profits and investment plus the discounted value of the τ$\tau$‐quantile of its value next period.
Heitor Almeida   +3 more
wiley   +1 more source

Sharing the service or not? The strategies of optimal prices and logistics service in an online marketplace

open access: yesInternational Transactions in Operational Research, EarlyView.
Abstract In modern supply chain ecosystems, brand owners increasingly adopt authorized reseller partnerships while concurrently operating their own flagship stores alongside resellers' exclusive stores. This study investigates the strategic implications of logistics service sharing between vertically related e‐commerce entities, particularly focusing ...
Xiaoya Han, Shun Wang, Xin Liu
wiley   +1 more source

Differentiable Thermodynamic Phase-Equilibria for Machine Learning. [PDF]

open access: yesJ Chem Inf Model
Ben Hicham KK   +3 more
europepmc   +1 more source

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